Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in Symantec Dynamic VPN Services, as used in Enterprise Firewall, Gateway Security, and Firewall /VPN Appliance products, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.
CVE-2005-3768
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 4%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 88.7%
- KEV
- Not listed
Published
November 23, 2005
Last Modified
April 16, 2026
References (12)
- cve@mitrehttp://secunia.com/advisories/17684
- cve@mitrehttp://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html
- cve@mitrehttp://securitytracker.com/id?1015247
- cve@mitrehttp://securitytracker.com/id?1015248
- cve@mitrehttp://securitytracker.com/id?1015249
- cve@mitrehttp://www.vupen.com/english/advisories/2005/2517
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17684
- af854a3a-2127-422b-91ae-364da2661108http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1015247
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1015248
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1015249
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2005/2517
Data Freshness Timeline
(refreshed 6× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2005-3768?
CVE-2005-3768 is a none vulnerability published on November 23, 2005. Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in Symantec Dynamic VPN Services, as used in Enterprise Firewall, Gateway Security, and Firewall /VPN Appliance products, allows remote attackers to cause a denial of service and possibly execute arbitrary code via…
When was CVE-2005-3768 disclosed?
CVE-2005-3768 was first published in the National Vulnerability Database on November 23, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2005-3768 actively exploited?
CVE-2005-3768 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-3768?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-3768, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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